Having suffered from serious pollutions, he made up his mind to devote his life to __________ pollution from __________ again.
| A．preventing; happening |
| B．prevent; happen |
| C．preventing; happens |
| D．preventing; will happen |
He has entertained hopes of being admitted to a sight of the wonderful valley , of ____ beauty he has heard .
| A．which | B．of whose | C．whose | D．form which |
So long as there are more people than needed , there _____ be tests to help make a fairer decision .
| A． shall | B．must | C．may | D．can |
_____ abroad for a tour can be a great honor for an ordinary person like me .
| A．Having been taken | B．Taken | C．Taking | D．Being taken |
--- Peter , don’t you believe that we should see each other again ?
---- _______ . Let me have your telephone number and I’ll give you a call .
| A．That is easy | B．Take it easy | C．You are all right | D．That’s all right |
You made the same mistake for ______ third time , dropping _____ “r” in the word “ government” .
A. a, the B. a , an C. the , an D a, a